/Engine/Source/Editor/UnrealEd/Classes/Preferences/UnrealEdOptions.h
Delegate to override NewAssetDefaultClasses
typedef TBaseDelegate_NoParams< const [TArray](API\Runtime\Core\Containers\TArray)< [FClassPickerDefaults](API\Editor\UnrealEd\Preferences\FClassPickerDefaults) > & > FGetNewAssetDefaultClasses